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Microbiology > Miscellaneous Organisms > Flashcards

Miscellaneous Organisms Flashcards

1
Q

Chlamydiaceae

A

non growth on conventional media - tissue culture (McCoy cells, gold standard for recovery)

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2
Q

Chlamydia trachomatis

A

ocular infectious, STI, lymphogranuloma venerum

demonstrates tissue tropism

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3
Q

Chlamydia psittaci

A

birds - outbreaks associated with turkeys

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4
Q

Ocular trachoma

A

WHO 5 stages - TF/TI/TS/TT/CO

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5
Q

Trachomatous inflammation follicular (TF)

A

presence of 5 or more follicles in the upper tarsal conjunctiva of at least 0.5mm

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6
Q

Trachomatous inflammation interne (TI)

A

pronounced inflammatory thickening of the tarsal conjunctiva that obscures more than half of the normal deep tarsal vessels

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7
Q

Trachomatous scarring (TS)

A

presence of scarring in the tarsal conjunctiva

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8
Q

Trachomatous trichiasis (TT)

A

at least one eyelash rubs on the eyeball or there is evidence of recent removal of in turned eyelashes

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9
Q

Corneal opacity (CO)

A

easily visible corneal opacity over the pupil

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10
Q

Chlamydia pneumoniae

A

old term TWAR
atypical pneumonia
82% population antibody (+)

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11
Q

Rickettsia rickettsii

A

Rocky Mountain spotted fever

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12
Q

Rickettsia prowazekii

A

Epidemic (louse borne) typhus

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13
Q

Rickettsia typhi

A

Murine typhus

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14
Q

Ehrlichia chaffeensis

A

infects human monocytic cells

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15
Q

Ehrlichia canis

A

infects canine monocytic cells

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16
Q

Ehrlichia weingii

A

infects human and canine monocytic cells

17
Q

Ehrlichia

A

transmitted by ticks
increased ALT
masses (morula) visualized in cytoplasm of infected monocytes

18
Q

Anaplasma

A

infects granulocytic cells

transmitted by ticks

19
Q

Coxiella burnetti

A

Q fever

20
Q

Legionella ID

A

catalase (+)
oxidase V+ weak
somewhat fastidious
relatively inert

21
Q

Gardnerella vaginalis

A

amsel criteria - must meet 3/4
nugget scoring system 1-10
HBT agar

22
Q

Gardnerella vaginalis ID

A 
hippurate (+)
starch hydrolysis (+)
23
Q

Amsel criteria

A

homogenous discharge
vaginal pH >4.5
(+) whiff test with 10% KOH
presence of clue cells

24
Q

Mycoplasmataceae

A

smallest microorganisms capable of self replication
lack cell wall
contain sterols
fried egg colony

25
Q

Mycoplasmataceae hominis

A

arginine (+)

26
Q

Mycoplasmataceae pneumoniae

A

glucose (+)

27
Q

Mycoplasma pneumonia

A 
never normal flora
primary atypical (walking) pneumonia
28
Q

Mycoplasma pneumonia media

A

SP4 broth or agar
H agar
NYC agar
PPLO agar

29
Q

Ureaplasma urealyticum

A

urea (+)

A8 agar or Shepards 10B broth

Microbiology (37 decks)

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